SHAPE MEMORY EFFECT OF POLYCRYSTALLINE Fe-Mn-Si ALLOYS

Abstract

Abstract: The influence of quenching temperature on the shape memory effect(SME)of the Fe-Mn-Si polycrystalline alloys and their martensitic transformation temperature have been studied.The SME of the hot-rolled specimen may be remarkably enhanced by selecting quenching temperature of 600—800℃.It has been shown that SME is influenced not only by the distribution of ε-phase morphology but also by its pre-existence.

Key words: shape memory effect, Fe-Mn-Si alloy, martensitic transformation

ZHAO Qinghua TAN Shusong Central South University of Technology,Changsha,China Department of Materials,Central South University of Technology,Changsha,Hunan,China. SHAPE MEMORY EFFECT OF POLYCRYSTALLINE Fe-Mn-Si ALLOYS[J]. Acta Metallurgica Sinica (English Letters), 1989, 2(3): 228-230.

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SHAPE MEMORY EFFECT OF POLYCRYSTALLINE Fe-Mn-Si ALLOYS

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